
.b_4 {
    width: 40%;
    margin-top: 10px;
    border: none;
    margin-bottom: 10px;
    height: 25px;
    background-color: rgb(49, 159, 255);
    color: white;
}

.left_box {
    width: 300px;
    height: 100vh;
    background-color: rgb(0, 0, 0);
    box-shadow: 0px 0px 3px black;
    padding: 5px;
    position: absolute;
    color: white;
}

body {
    margin: 0px;
    padding: 0px;
}

.b_3 {
    width: 100%;
    height: 30px;
    background-color: rgb(49, 159, 255);
    border: none;
    color: white;
    box-shadow: 0px 0px 2px black;
    font-weight: bold;
    margin-top: 3px;
}

.left_box button:hover {
    background-color: rgb(72, 169, 253);
    color: white;
}

.right_box {
    width: calc(100% - 300px);
    min-width: 200px;
    position: absolute;
    left: 300px;
    padding: 20px;
}

.file_m {
    width: calc(100% - 10px);
    height: calc(100vh - 120px - 120px);
    box-shadow: 0px 0px 2px black;
    background-color: rgb(56, 56, 56);
    padding: 5px;
    overflow-y: scroll;
}

.file_m button {
    width: 100%;
    height: 30px;
    text-align: left;
    border-radius: 0px;
    border: none;
    box-shadow: 0px 0px 0px black;
    background-color: rgb(36, 36, 36);
}

.preview {
    width: 50%;
    height: 80vh;
    float: right;
    margin-right: 50px;
    border: none;
    box-shadow: 0px 0px 3px black;
}

.top_cms {
    text-shadow: 0px 0px 5px white;
    width: calc(100% - 40px);
    height: auto;
    padding-top: 2px;
    padding-bottom: 2px;
    padding-left: 5px;
    background-color: rgb(54, 54, 54);
    color: white;
    box-shadow: 0px 0px 5px black;
}

.chat_box {
    width: 100%;
    height: 50vh;
    overflow: scroll;
    background-color: rgb(255, 255, 255);
    box-shadow: 0px 0px 3px black;
}

.chat {
    width: calc(100%);
    height: 28vh;
    resize: none;
    box-shadow: 0px 0px 3px black;
    border: none;
}

.b_1 {
    position: absolute;
    top: 120px;
    right: 80px;
    background-color: rgb(49, 159, 255);
    color: white;
    border: none;
}

.b_1:hover {
    background-color: rgb(72, 169, 253);
}